Performance engineers conduct stress tests before release, but issues may occur in production due to mismatched environments and lack of endurance testing. Monitoring Micro-Metrics alongside Macro-Metrics can reveal underlying problems, such as memory leaks and connection issues, ultimately preventing performance incidents and enhancing application stability.
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This article talks about how the JVM stores objects in memory. It explains how alignment, padding, and memory usage are related. It also talks about how the alignment can be adjusted and those changes affect the performance, highlighting how managing memory and object sizes can be tricky.
JMeter is an open source load testing tool from the Apache foundation, allowing users to simulate load tests for websites. The setup involves downloading the binaries, configuring the application, and defining parameters such as user count and duration. After configuration, users can initiate load tests and visualize results through various graphical displays.
Discover the power of thread dumps in Android development. Learn what thread dumps are, how to capture them using commands like 'dumpsys thread' and 'jstack,' and uncover the insights they offer. Explore the effectiveness of 'fastThread,' a user-friendly tool that simplifies thread dump analysis, helping you identify performance issues, deadlocks, and more for a smoother... Continue Reading →
Eclipse MAT is an effective JVM Memory Analysis tool, with a strong recommendation for its stand-alone version over the plugin. Key tips include allocating extra heap space, enabling 'keep unreachable objects' for better visibility, and adjusting data display settings to more readable formats like KB, MB, and GB for easier analysis.
This article provides a step-by-step guide to install and configure the Apache2 web server on Ubuntu 16.04. It includes instructions to update the package, create a virtual host, set document root, enable the site, configure CORS, and manage ports. It finishes with restarting the Apache service to apply changes.
